Merge pull request #4010 from tautschnig/function-pointers-c_bool

Function pointers: also support c_bool (_Bool) in loose matching

Author: tautschnig

src/goto-programs/remove_function_pointers.cpp

@@ -131,15 +131,15 @@ bool remove_function_pointerst::arg_is_type_compatible(
     return true;
 
   // any integer-vs-enum-vs-pointer is ok
-  if(call_type.id()==ID_signedbv ||
-     call_type.id()==ID_unsigned ||
-     call_type.id()==ID_bool ||
-     call_type.id()==ID_pointer ||
-     call_type.id()==ID_c_enum ||
-     call_type.id()==ID_c_enum_tag)
+  if(
+    call_type.id() == ID_signedbv || call_type.id() == ID_unsigned ||
+    call_type.id() == ID_bool || call_type.id() == ID_c_bool ||
+    call_type.id() == ID_c_enum_tag || call_type.id() == ID_c_enum ||
+    call_type.id() == ID_pointer)
   {
     return function_type.id() == ID_signedbv ||
            function_type.id() == ID_unsigned || function_type.id() == ID_bool ||
+           function_type.id() == ID_c_bool ||
            function_type.id() == ID_pointer ||
            function_type.id() == ID_c_enum ||
            function_type.id() == ID_c_enum_tag;